5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyra… 120279-85-8

Name: 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one
Brand: Vaqora Chemicals
SKU: VQ-050174

About 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one

5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one (CAS 120279-85-8) is a process intermediate or related compound of Dorzolamide offered by Vaqora Chemicals. The compound has the formula C8H8OS2, corresponding to a molecular weight of 184.3 g/mol. The IUPAC name is 6-methyl-5,6-dihydrothieno[2,3-b]thiopyran-4-one.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Process chemists and analysts use it when developing synthetic routes to Dorzolamide, tracking process-related impurities and validating analytical methods. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Dorzolamide

View every impurity, metabolite and intermediate we list for Dorzolamide.

Dorzolamide impurities

Specifications & identifiers

Chemical identifiers
Product name	5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one
Catalogue No.	VQ-050174
CAS Number	120279-85-8
IUPAC name	6-methyl-5,6-dihydrothieno[2,3-b]thiopyran-4-one
Molecular formula	C₈H₈OS₂
Molecular weight	184.3 g/mol
Exact mass	184.0017
InChIKey	FLJFMDYYNMNASJ-UHFFFAOYSA-N
SMILES	CC1CC(=O)C2=C(S1)SC=C2
PubChem CID	21057025

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	0 / 3
TPSA	70.6 Å²
Synonyms	6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one, 5,6-Dihydro-6-methyl-4H-thieno(2,3-b)thiopyran-4-one, (A+-)-, 5,6-Dihydro-4H-6-methylthieno[2,3-b]thiopyran-4-one, 6-Methyl-5,6-dihydro-4H-thieno-[2,3-b]thiopyran-4-one, 6-methyl-4H,5H,6H-thieno[2,3-b]thiopyran-4-one, 4H-Thieno[2,3-b]thiopyran-4-one, 5,6-dihydro-6-methyl-

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one?

The CAS Registry Number of 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one is 120279-85-8. It is also known as 6-Methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-one, 5,6-Dihydro-6-methyl-4H-thieno(2,3-b)thiopyran-4-one, (A+-)-, 5,6-Dihydro-4H-6-methylthieno[2,3-b]thiopyran-4-one.

What is the molecular formula and molecular weight of 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one?

5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one has the molecular formula C8H8OS2 and a molecular weight of 184.3 g/mol. Its IUPAC name is 6-methyl-5,6-dihydrothieno[2,3-b]thiopyran-4-one.

What is 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one used for?

5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one is supplied as a characterised reference material related to Dorzolamide. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one can I order?

We supply 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one?

Yes. Every lot of 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one be shipped internationally?

Yes. We export 5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-one worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.